ECZ 2018 · O-Level Paper 1 — Coordinate Geometry
The point (5, 2) is the midpoint of a straight line joining A(x, 9) and B(3, y). Find the value of x and the value of y.
- A. x = 7, y = 5
- B. x = -7, y = -5
- C. x = 2, y = 11
- D. x = 7, y = -5
Verified working — step 1
Midpoint = (x + 32, 9 + y2)The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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